^^^^^^
Not sure why you're quoting me. I was responding to a claim about excellent "NEW" Marlins.
(Warden70) was talking about used rifles, and I agree with him too.
If "minor" gun smithing or warranty work is acceptable to you for a new Firearm then so be it. On a pre owned rifle, sure.
Sorry, it was not to single you out.
The degree to which minor smithing is acceptable depends on the retail price. I think of any fully steel and machined (not cast like Rugers) firearm under $1000 as essentially a "kit gun" in need of final improvements.
Here's a 1955 ad for a 336, they were about $70 bucks new then, which is about $650 in today's money - so the price has remained fairly flat for a 336.

But that does not tell the whole story. Core inflation calculators assume 3.6% inflation, on average, per year but this excludes things like food, heath care, fuel, etc. True inflation is much higher. Back in the 1950's, skilled labour was under-paid compared to today, but food, fuel, medicine, etc. cost much less than the reverse amortization at 3.6% and most blue collar workers could easily make a go of it with their spouses not working. Workers earned much less for the same skilled manual labour than we would expect to see today in a modern era of trade unions and skilled labour shortages. This means hand fitting was cheap and was part of marlin's manufacturing strategy.
Today, all that pesky labour and union stuff has largely been replaced with CNC processes and unskilled assembly so that Marlin can hold the line on pricing. To a degree, some of the "finesse" of skilled assembly is left to the end user. C'est la vie!